Malicious PDF — malware analysis report

Static analysis result for SHA-256 feac3e46b5d818bd…

MALICIOUS

PDF

49.7 KB Created: 2020-09-03 05:26:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d75d791981b1c26f1ca0a89e5a269855 SHA-1: 5cd7514bd30059967bbe73481e89bafb12f22f9b SHA-256: feac3e46b5d818bd84282c161e923f4f56ea618473f4349f877344a946b0713b
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with one identified as a malicious redirector pointing to 'https://ttraff.club/pify?keyword=binomo+investment+format'. This URL is likely part of a phishing or scam campaign, using an investment-related keyword to entice clicks. The presence of a large number of links, many hosted on Shopify, suggests a link farm designed to obscure the malicious destination. The document body, though heavily obfuscated, also contains the malicious URL and references to investment formats.

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.club/pify?keyword=binomo+investment+format
    • https://cdn.shopify.com/s/files/1/0434/5259/6374/files/11800686833.pdf
    • https://cdn.shopify.com/s/files/1/0431/0728/7197/files/bosques_secos_tropicales_en_colombia.pdf
    • https://cdn.shopify.com/s/files/1/0439/3979/1003/files/3519502261.pdf
    • https://cdn.shopify.com/s/files/1/0440/5175/9269/files/behringer_x32_digital_mixer.pdf
    • https://cdn.shopify.com/s/files/1/0432/8977/2187/files/free_icons_library.pdf
    • https://cdn.shopify.com/s/files/1/0469/0562/2688/files/balesarelexuse.pdf
    • https://cdn.shopify.com/s/files/1/0428/3210/1543/files/najazobebarikanu.pdf
    • https://cdn.shopify.com/s/files/1/0433/9345/0134/files/grade_8_english_module_afro_asian_literature.pdf
    • https://cdn.shopify.com/s/files/1/0439/5961/5646/files/lanitunopelodiviladuvuk.pdf
    • https://cdn.shopify.com/s/files/1/0436/5893/6473/files/tracy_chapman_greatest_hits.pdf
    • https://cdn.shopify.com/s/files/1/0439/1947/4856/files/6092728818.pdf
    • https://cdn.shopify.com/s/files/1/0437/3089/4999/files/dojofisiwoxejunevijo.pdf
    • https://cdn.shopify.com/s/files/1/0432/2679/2093/files/12155718916.pdf
    • https://cdn.shopify.com/s/files/1/0433/4940/9960/files/upload_to_wix.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000859f.bin
91f930310ea13016fd7dc1f6f86679defc252c1bf2859b04c2305329be7368c7
pdf-font-stream PDF embedded font (sfnt) at offset 0x859F 4992 bytes
font_01_sfnt_off00009688.bin
0e2f8cc3f5f099576aaed8f924fbb8c829b5197f3d717bcc1503108301cc1ead
pdf-font-stream PDF embedded font (sfnt) at offset 0x9688 10504 bytes